TY - JOUR AU - Vladimir Nikiforov TI - Some extremal problems for hereditary properties of graphs JO - The electronic journal of combinatorics PY - 2014 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/3419/ DO - 10.37236/3419 ID - 10_37236_3419 ER -